GB992648A - Digestion and analysis apparatus and method - Google Patents

Digestion and analysis apparatus and method

Info

Publication number
GB992648A
GB992648A GB19420/62A GB1942062A GB992648A GB 992648 A GB992648 A GB 992648A GB 19420/62 A GB19420/62 A GB 19420/62A GB 1942062 A GB1942062 A GB 1942062A GB 992648 A GB992648 A GB 992648A
Authority
GB
United Kingdom
Prior art keywords
liquid
tube
receiver
diluted
reactor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB19420/62A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer Corp
Original Assignee
Technicon Instruments Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Technicon Instruments Corp filed Critical Technicon Instruments Corp
Publication of GB992648A publication Critical patent/GB992648A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L7/00—Heating or cooling apparatus; Heat insulating devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/38—Diluting, dispersing or mixing samples
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/002—Determining nitrogen by transformation into ammonia, e.g. KJELDAHL method
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/08—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a stream of discrete samples flowing along a tube system, e.g. flow injection analysis
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/17—Nitrogen containing
    • Y10T436/176152—Total nitrogen determined
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
    • Y10T436/25125—Digestion or removing interfering materials

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Molecular Biology (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

992,648. Chemical reactors; chemical analysis systems. TECHNICON INSTRUMENTS CORPORATION. May 21, 1962 [May 25, 1961 ; July 12, 1961], No. 19420/62. Heading B1X. In apparatus for heating successive, separate, portions of liquid which are moving along the lower part of a helical groove 222 in the internal surface of a rotating cylindrical reactor 10, as disclosed in Specification 916,677, a tube 214 is provided for introducing diluent liquid into each portion of treated liquid before it is withdrawn from the reactor. In carrying out a Kjeldahl nitrogen determination, each sample of liquid is mixed with sulphuric acid, and fed into the inlet end (not shown) of the heated reactor; and each digested sample is diluted with water introduced through pipe 214. The diluted samples flow successively into cylindrical groove 220, and are then drawn rapidly via tube 228 into receiver 224 while fresh samples of acidified liquid are being introduced into the opposite end of the reactor. The receiver 224 is maintained under reduced pressure by a source of vacuum connected to tube 230 which dips below the liquid in the receiver. The diluted liquid is drawn into tube 228 so rapidly that the inlet end 226 of the tube is uncovered by liquid, and air is drawn into the receiver 224, which agitates each successive portion of diluted liquid. The diluted liquid is aspirated from the receiver via tube 230, which leads to the analysis equipment, before the succeeding diluted sample flows into the receiver through tube 228. If the flow rate through tube 230 is less than that through tube 228, excess liquid is discharged from the receiver through tube 234. Specifications 817,070 and 834,635 also are referred to.
GB19420/62A 1961-05-25 1962-05-21 Digestion and analysis apparatus and method Expired GB992648A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US112590A US3178265A (en) 1961-05-25 1961-05-25 Digestion and analysis apparatus and method
US123525A US3241921A (en) 1961-05-25 1961-07-12 Continuous liquid treatment apparatus

Publications (1)

Publication Number Publication Date
GB992648A true GB992648A (en) 1965-05-19

Family

ID=26810126

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19420/62A Expired GB992648A (en) 1961-05-25 1962-05-21 Digestion and analysis apparatus and method

Country Status (7)

Country Link
US (2) US3178265A (en)
BE (1) BE618057A (en)
CH (1) CH422387A (en)
DE (1) DE1299910B (en)
GB (1) GB992648A (en)
NL (2) NL133959C (en)
SE (1) SE319628B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112461638A (en) * 2021-01-13 2021-03-09 深圳万知达科技有限公司 Food detection preprocessing device

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3512936A (en) * 1967-09-06 1970-05-19 Technicon Corp Liquid analysis method and apparatus therefor
CH545917A (en) * 1971-11-24 1974-02-15
US4002269A (en) * 1974-08-16 1977-01-11 Technicon Instruments Corporation Liquid proportioning system in a liquid sample analyzer
US4015938A (en) * 1975-11-18 1977-04-05 Technicon Instruments Corporation Sample supply apparatus and method for automatic analysis systems
US4080168A (en) * 1976-02-18 1978-03-21 The Curators Of The University Of Missouri Method and apparatus for the wet digestion of organic and biological samples
US4853336A (en) * 1982-11-15 1989-08-01 Technicon Instruments Corporation Single channel continuous flow system
SE508220C2 (en) * 1997-01-29 1998-09-14 Foss Tecator Ab Procedure for determining nitrogen according to Kjeldahl
CN100507497C (en) * 2006-04-06 2009-07-01 南京大学 Method for promoting biological specimen digestion efficiency of Kjeldahl nitrogen determination
US20100231904A1 (en) * 2009-03-12 2010-09-16 Tyrie Colin C Method and Device for Measuring Hydrocarbons in Aqueous Solutions
CN109173954A (en) * 2018-10-31 2019-01-11 东北师范大学 Intelligent rapid digestion device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2686754A (en) * 1950-11-28 1954-08-17 Le Bactogene S A R L Apparatus for the cultivation of microorganisms
US2797149A (en) * 1953-01-08 1957-06-25 Technicon International Ltd Methods of and apparatus for analyzing liquids containing crystalloid and non-crystalloid constituents
FR1204067A (en) * 1957-10-07 1960-01-22 Magazzino Del Legname Usato Rotary machine for slaking lime in clods
NL254619A (en) * 1959-08-06

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112461638A (en) * 2021-01-13 2021-03-09 深圳万知达科技有限公司 Food detection preprocessing device
CN112461638B (en) * 2021-01-13 2021-11-26 临沂友康生物科技有限公司 Food detection preprocessing device

Also Published As

Publication number Publication date
BE618057A (en) 1962-11-26
DE1299910B (en) 1969-07-24
US3178265A (en) 1965-04-13
SE319628B (en) 1970-01-19
NL278868A (en)
CH422387A (en) 1966-10-15
US3241921A (en) 1966-03-22
NL133959C (en)

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